#include <stdio.h>
#include <math.h>

main()
{
    double y;
    int x , m;
    for (y=1;y>=-1;y-=0.1)
    {
        m=acos(y) * 10;
        for (x=1;x<m;x++)
        printf(" ");
        printf(" * ");
        for( ; x<62-m ; x++)
        printf(" ");
        printf(" * \n");
    }
}